#1D90AD#1D90AD

#1D90AD is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.6% C 0.104 H 220.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D90AD
RGB	rgb(29, 144, 173)
HSL	hsl(192, 71%, 40%)
HSV	hsv(192, 83%, 68%)
CMYK	cmyk(83.2%, 16.8%, 0%, 32.2%)
CIE-LAB	lab(55.30, -20.10, -23.87)
CIE-LCH	lch(55.30, 31.20, 229.91°)
OKLab	oklab(60.65% -0.0794 -0.0669)
OKLCH	oklch(60.65% 0.104 220.1)
XYZ	xyz(18.0196, 23.2226, 43.0597)
Luminance	0.2323 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D90AD #AD3A1D

analogous

#1DAD82 #1D90AD #1D48AD

triadic

#1D90AD #AD1D90 #90AD1D

tetradic

#1D90AD #821DAD #AD3A1D #48AD1D

square

#1D90AD #821DAD #AD3A1D #48AD1D

split-complementary

#1D90AD #AD1D48 #AD821D

monochromatic

#0B3944 #146479 #1D90AD #2CB8DC #60CAE4

Accessibility & contrast

On white

3.72

#1D90AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#1D90AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D90AD

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D90AD	#FFFFFF	#000000	##000000
##1D90AD	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8CAF

Deuteranopia (green-blind)

#6C7FAD

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1d90ad;
/* rgb */ color: rgb(29, 144, 173);
/* oklch */ color: oklch(60.6% 0.104 220.1);

Tailwind

colors: {
  custom: {
    50: '#74b0c5',
    500: '#1d90ad',
    950: '#000000',
  },
}

SCSS

$custom: #1d90ad;
$custom-light: #74b0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d90ad",
  "rgb": {
    "r": 29,
    "g": 144,
    "b": 173
  },
  "hsl": {
    "h": 192.083,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60647,
    "c": 0.10384,
    "h": 220.1
  },
  "luminance": 0.23225
}

Semantic roles & 50–950 ramp

primary

#1D90AD

secondary

#C9735D

accent

#5E3AEE

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1D90AD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →